40061920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 60528416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 197, 205, 248, 310, 328, 394, 410, 496, 620, 656, 788, 820, 985, 992, 1240, 1271, 1312, 1576, 1640, 1970, 2480, 2542, 3152, 3280, 3940, 4960, 5084, 6107, 6304, 6355, 6560, 7880, 8077, 10168, 12214, 12710, 15760, 16154, 20336, 24428, 25420, 30535, 31520, 32308, 40385, 40672, 48856, 50840, 61070, 64616, 80770, 97712, 101680, 122140, 129232, 161540, 195424, 203360, 244280, 250387, 258464, 323080, 488560, 500774, 646160, 977120, 1001548, 1251935, 1292320, 2003096, 2503870, 4006192, 5007740, 8012384, 10015480, 20030960, 40061920]

約数ペア:

[(1, 40061920), (2, 20030960), (4, 10015480), (5, 8012384), (8, 5007740), (10, 4006192), (16, 2503870), (20, 2003096), (31, 1292320), (32, 1251935), (40, 1001548), (41, 977120), (62, 646160), (80, 500774), (82, 488560), (124, 323080), (155, 258464), (160, 250387), (164, 244280), (197, 203360), (205, 195424), (248, 161540), (310, 129232), (328, 122140), (394, 101680), (410, 97712), (496, 80770), (620, 64616), (656, 61070), (788, 50840), (820, 48856), (985, 40672), (992, 40385), (1240, 32308), (1271, 31520), (1312, 30535), (1576, 25420), (1640, 24428), (1970, 20336), (2480, 16154), (2542, 15760), (3152, 12710), (3280, 12214), (3940, 10168), (4960, 8077), (5084, 7880), (6107, 6560), (6304, 6355)]